If E is the 4^th note of the scale, then which of the following must be true?

Directions: Study the following information carefully and answer the question that follows:

A certain musical scale consists of exactly six notes: A, B, C, D, E and F. The notes are arranged from the lowest to the highest (starting from 1st note to 6th note of the scale). Each note has to appear once in the scale.

1. E is lower than F.

2. B is higher than A.

3. D is somewhere in between A and B.

4. No note is above C.